| 
           Basis of Presentation and Significant Accounting Policies (Schedule of Estimated Useful Life) (Details) 
         | 
        12 Months Ended | 
|---|---|
| 
           Sep. 30, 2013 
         | 
      |
| 
           Breeding herd [Member] | Minimum [Member] 
         | 
        |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 6 years | 
| 
           Breeding herd [Member] | Maximum [Member] 
         | 
        |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 7 years | 
| 
           Buildings [Member] | Minimum [Member] 
         | 
        |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 10 years | 
| 
           Buildings [Member] | Maximum [Member] 
         | 
        |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 40 years | 
| 
           Citrus trees [Member] 
         | 
        |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 25 years | 
| 
           Sugarcane Plantings [Member] 
         | 
        |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 3 years | 
| 
           Equipment and Other Facilities [Member] | Minimum [Member] 
         | 
        |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 3 years | 
| 
           Equipment and Other Facilities [Member] | Maximum [Member] 
         | 
        |
| Property, Plant and Equipment [Line Items] | |
| Estimated useful life | 20 years |